/* 智能告警 · 告警概览 */
.alarm-overview {
  padding-bottom: 24px;
  background: var(--obs-bg-page);
}

.alarm-overview__metrics {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  padding: 16px;
}

.alarm-metric {
  background: var(--obs-bg-card);
  border: 1px solid var(--obs-border);
  border-radius: 2px;
  padding: 16px;
  min-height: 96px;
}

.alarm-metric--featured {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.alarm-metric__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 2px;
  background: var(--t-gray-8, #f3f3f3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--obs-neutral-400);
  font-size: var(--font-size-xs);
}

.alarm-metric__body { min-width: 0; flex: 1; }

.alarm-metric__label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-sm);
  color: var(--obs-neutral-500);
  margin-bottom: 8px;
}

.alarm-metric__info {
  display: inline-flex;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--obs-neutral-400);
  color: var(--obs-neutral-400);
  font-size: var(--font-size-xs);
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.alarm-metric__value {
  font-size: var(--font-size-4xl);
  font-weight: 600;
  color: var(--obs-neutral-900);
  line-height: 1.2;
}

.alarm-metric__sub {
  margin-top: 6px;
  font-size: var(--font-size-xs);
  color: var(--obs-neutral-500);
}

.alarm-metric__compare {
  margin-top: 8px;
  font-size: var(--font-size-xs);
  color: var(--obs-neutral-500);
}

.alarm-metric__compare strong {
  font-weight: 500;
  margin-left: 4px;
}

.alarm-metric__compare--up strong { color: var(--obs-error); }
.alarm-metric__compare--down strong { color: var(--obs-success); }

.alarm-overview__toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.alarm-overview__date {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 32px;
  padding: 0 12px;
  border: 1px solid var(--obs-border);
  border-radius: 2px;
  background: var(--obs-bg-card);
  font-size: var(--font-size-sm);
  color: var(--obs-neutral-600);
}

.alarm-overview__refresh {
  width: 32px;
  height: 32px;
  border: 1px solid var(--obs-border);
  border-radius: 2px;
  background: var(--obs-bg-card);
  cursor: pointer;
  color: var(--obs-neutral-500);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.alarm-overview__section {
  margin: 0 16px 12px;
}

.alarm-overview__section--full .alarm-panel {
  min-height: 280px;
}

.alarm-overview__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 16px 12px;
}

.alarm-panel {
  background: var(--obs-bg-card);
  border: 1px solid var(--obs-border);
  border-radius: 2px;
  padding: 16px 16px 12px;
}

.alarm-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}

.alarm-panel__title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--obs-neutral-900);
}

.alarm-panel__title .alarm-metric__info { flex-shrink: 0; }

.alarm-panel__badge {
  display: inline-flex;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 9px;
  background: var(--obs-warning);
  color: var(--obs-text-on-brand);
  font-size: var(--font-size-xs);
  font-weight: 600;
  align-items: center;
  justify-content: center;
}

.alarm-panel__dropdown {
  font-size: var(--font-size-sm);
  color: var(--obs-brand);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.alarm-panel__tabs {
  display: inline-flex;
  gap: 16px;
}

.alarm-panel__tab {
  font-size: var(--font-size-sm);
  color: var(--obs-neutral-500);
  background: none;
  border: none;
  padding: 0 0 4px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  font-family: inherit;
}

.alarm-panel__tab.is-active {
  color: var(--obs-brand);
  font-weight: 500;
  border-bottom-color: var(--obs-brand);
}

.alarm-chart {
  width: 100%;
  height: 240px;
}

.alarm-chart--trend-main { height: 260px; }
.alarm-chart--donut { height: 220px; }

.alarm-donut-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: center;
}

.alarm-donut-legend {
  list-style: none;
  font-size: var(--font-size-sm);
}

.alarm-donut-legend li {
  display: grid;
  grid-template-columns: 8px 1fr auto auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--obs-neutral-600);
}

.alarm-donut-legend__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.alarm-donut-legend__count { color: var(--obs-neutral-900); font-weight: 500; }
.alarm-donut-legend__pct { color: var(--obs-neutral-500); font-size: var(--font-size-xs); }

.alarm-top-table-wrap {
  overflow: auto;
}

.alarm-top-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.alarm-top-table th,
.alarm-top-table td {
  height: 40px;
  padding: 0 12px;
  border-bottom: 1px solid var(--obs-border);
  text-align: left;
  white-space: nowrap;
}

.alarm-top-table th {
  background: var(--obs-bg-table-header);
  color: var(--obs-neutral-500);
  font-weight: 500;
}

.alarm-top-table td:nth-child(3),
.alarm-top-table td:nth-child(4),
.alarm-top-table th:nth-child(3),
.alarm-top-table th:nth-child(4) {
  text-align: right;
}

.alarm-top-table .text-ellipsis {
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 1280px) {
  .alarm-overview__metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .alarm-overview__metrics,
  .alarm-overview__grid {
    grid-template-columns: 1fr;
  }
  .alarm-donut-layout {
    grid-template-columns: 1fr;
  }
}